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research article

User-Action-Driven View and Rate Scalable Multiview Video Coding

Chakareski, Jacob
•
Velisavljevic, Vladan
•
Stankovic, Vladimir
2013
IEEE Transactions on Image Processing

We derive an optimization framework for joint view and rate scalable coding of multi-view video content represented in the texture plus depth format. The optimization enables the sender to select the subset of coded views and their encoding rates such that the aggregate distortion over a continuum of synthesized views is minimized. We construct the view and rate embedded bitstream such that it delivers optimal performance simultaneously over a discrete set of transmission rates. In conjunction, we develop a user interaction model that characterizes the view selection actions of the client as a Markov chain over a discrete state-space. We exploit the model within the context of our optimization to compute user-action-driven coding strategies that aim at enhancing the client's performance in terms of latency and video quality. Our optimization outperforms the state-of-the-art H.264 SVC codec as well as a multi-view wavelet-based coder equipped with a uniform rate allocation strategy, across all scenarios studied in our experiments. Equally important, we can achieve an arbitrarily fine granularity of encoding bit rates, while providing a novel functionality of view embedded encoding, unlike the other encoding methods that we examined. Finally, we observe that the interactivity-aware coding delivers superior performance over conventional allocation techniques that do not anticipate the client's view selection actions in their operation.

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Type
research article
DOI
10.1109/Tip.2013.2269801
Web of Science ID

WOS:000324382700003

Author(s)
Chakareski, Jacob
Velisavljevic, Vladan
Stankovic, Vladimir
Date Issued

2013

Publisher

Ieee-Inst Electrical Electronics Engineers Inc

Published in
IEEE Transactions on Image Processing
Volume

22

Issue

9

Start page

3473

End page

3484

Subjects

Multiview imaging

•

depth-image-based rendering

•

bit allocation

•

view and rate scalable encoding

•

user-action-driven coding

•

view selection Markov model

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LTS4  
Available on Infoscience
November 4, 2013
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/96674
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